80401830 has 32 divisors (see below), whose sum is σ = 197455104. Its totient is φ = 20941536.

The previous prime is 80401801. The next prime is 80401831. The reversal of 80401830 is 3810408.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 80401830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80401831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29874 + ... + 32453.

It is an arithmetic number, because the mean of its divisors is an integer number (6170472).

Almost surely, 2^80401830 is an apocalyptic number.

80401830 is an abundant number, since it is smaller than the sum of its proper divisors (117053274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80401830 is a wasteful number, since it uses less digits than its factorization.

80401830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62380.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 80401830 is about 8966.7067533181. The cubic root of 80401830 is about 431.6071638904.

It can be divided in two parts, 8040 and 1830, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 80401830 in words is "eighty million, four hundred one thousand, eight hundred thirty".